:root {
  --link: #4927a8;
  --border: #e6e6e6;
  --card-bg: #ffffff;
  --bg: #fafafa;
  --text: #222;
  --muted: #666;
}

/* Base */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}

/* Header */
header {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: 1rem 1.25rem;
}
header h1 { margin: 0; line-height: 0; }

/* Section label */
.section-title {
  margin: 0 0 .5rem 0;
  color: #000;                 /* was var(--muted); now black */
  font-size: 1rem;
}

/* Layout: three columns */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1rem; }
.container.wide {
  display: grid;
  grid-template-columns: 1fr 360px 420px;  /* LEFT / MIDDLE / RIGHT */
  column-gap: 1rem;
  row-gap: 0;  /* chart & calendar touch vertically */
  align-items: start;
  margin-top: .5rem;
}

/* Cards */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 1rem;
}

/* Advanced chart: span LEFT + MIDDLE and widen to the left */
#chart.card {
  grid-column: 1 / span 2;
  grid-row: 1;
  margin-left: -20%;
  width: calc(100% + 20%);
  padding-bottom: 0;  /* touch econ vertically */
}

/* Economic calendar: inline with chart (same left & right edges) */
#econ.card {
  grid-column: 1 / span 2;
  grid-row: 2;
  padding-top: 0;      /* touch chart vertically */
  margin-left: -20%;
  width: calc(100% + 20%);
}

/* Inside the economic calendar card: two columns */
.econ-content {
  display: grid;
  grid-template-columns: 400px 1fr;  /* calendar fixed @ 400, research flex */
  gap: 1rem;
  align-items: start;
}
.econ-widget { width: 400px; }
.econ-research { min-width: 0; }     /* allow contents to shrink inside card */

/* Right column spans all rows */
#news {
  grid-column: 3;
  grid-row: 1 / span 2;
  min-height: 825px;
}

/* Offset label row */
.offset {
  display: flex;
  align-items: center;
  gap: .25rem;
  max-width: 1200px;
  margin: .5rem auto 0;
  padding: 0 1rem;
}

/* Links */
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Research list links */
.linklist { list-style: none; padding: 0; margin: .5rem 0 0; }
.linklist li { margin: 0; }
.linklist a {
  display: inline-block;
  width: 100%;
  padding: .5rem 0;
  border-top: 1px solid var(--border);
}
.linklist li:first-child a { border-top: none; }

/* Forms */
#var-form {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: .5rem;
  margin-bottom: 1rem;
}
.field input {
  width: 100%;
  padding: .5rem .6rem;
  border: 1px solid var(--border);
  background: #fff;
}
.primary {
  padding: .5rem .8rem;
  border: 1px solid var(--border);
  background: #f7f7f7;
  cursor: pointer;
}
.primary:hover { background: #f1f1f1; }

/* Variables table */
#vars-table { width: 100%; border-collapse: collapse; }
#vars-table td {
  border-top: 1px solid var(--border);
  padding: .5rem .25rem;
  vertical-align: middle;
}
#vars-table tbody tr:first-child td { border-top: none; }
.row-actions .delete-btn { padding: .25rem .5rem; }

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* Hide TradingView trademark */
.trademark { display: none !important; }

/* Sticky "Provide feedback" link (bottom-left, follows viewport) */
.site-feedback {
  position: fixed;
  left: 1rem;
  bottom: 1rem;
  z-index: 1000;
  margin: 0;
  padding: 0;
  width: auto;
}
.site-feedback p { margin: 0; }
.site-feedback a { color: var(--link); text-decoration: none; }
.site-feedback a:hover { text-decoration: underline; }